buttercup

noun4

1. •
   Any of many herbs, of the genus Ranunculus, having yellow flowers; the crowfoot.
2. •
   An affectionate or ironic term of address.

   • When she touched my hand, what a chill I got Her lips are like a volcano that's hot I'm proud to say that she's my buttercup. I'm in love - I'm all shook up. — 1957
3. •
   Ellipsis of buttercup squash.
4. •
   Any flower of the genus Narcissus; a daffodil.